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Topic: Compaticard IV problem
IBM Portable PC

Replies: 1
Views: 3951

PostForum: IBM PC/XT & AT Webforum   Posted: Fri Nov 22, 2013 6:35 am   Subject: Compaticard IV problem
I can CCFORMAT D: /S successfully, and read the disks on other PC's.

However, I cannot DIR or copy files to drive D:

PCDOS 7, DRDOS 6 & MSDOS 622 display "no files" i.e. an empty d ...
Topic: IBM 5161 & DMA?
IBM Portable PC

Replies: 1
Views: 4028

PostForum: IBM PC/XT & AT Webforum   Posted: Mon Jun 03, 2013 1:26 am   Subject: IBM 5161 & DMA?
Okay, DMA is not an issue.

Bus Mastering cards would be, however I'm told 8 bit ISA did not support bus mastering, it was part of the AT 16 bit upgrade.
Topic: IBM 5161 & DMA?
IBM Portable PC

Replies: 1
Views: 4028

PostForum: IBM PC/XT & AT Webforum   Posted: Sat Jun 01, 2013 1:08 am   Subject: IBM 5161 & DMA?
Obviously it works with the IBM HDC, what about other cards requiring DMA like a Compaticard IV FDC etc?

Strangely, most of the 16 bit ISA (not 8 bit) ISA bus expansion options in later years could ...
Topic: IBM 5161 Receiver card and planar wanted?
IBM Portable PC

Replies: 0
Views: 4108

PostForum: IBM PC/XT & AT Webforum   Posted: Sat May 04, 2013 12:30 pm   Subject: IBM 5161 Receiver card and planar wanted?
Anyone have any spares?
Topic: BP Microsystems BP-1600 BPDOS?
IBM Portable PC

Replies: 1
Views: 4312

PostForum: IBM PC/XT & AT Webforum   Posted: Sat May 04, 2013 12:29 pm   Subject: BP Microsystems BP-1600 BPDOS?
Does anyone have a version of BPDOS that does not require Windoze?

I've heard 3.21 does not, however I'm hoping to fnd a later version.
Topic: ICE!s (In circuit emulators)
IBM Portable PC

Replies: 0
Views: 4273

PostForum: IBM PC/XT & AT Webforum   Posted: Wed Feb 13, 2013 2:24 am   Subject: ICE!s (In circuit emulators)
Does anyone have a Zax Corp 8088 or 8086 ICD?

Any other ICE recommendations?
Topic: Definicon 68020 coprocessor drivers?
IBM Portable PC

Replies: 0
Views: 4581

PostForum: IBM PC/XT & AT Webforum   Posted: Wed Nov 14, 2012 10:36 am   Subject: Definicon 68020 coprocessor drivers?
Here's a card commissioned by Byte magazine from Definicon, anyone ever heard of it or have drivers?
Topic: Applied Reasoning Corp - ISA PC-Elevator 386 Co-pro Drivers?
IBM Portable PC

Replies: 0
Views: 4533

PostForum: IBM PC/XT & AT Webforum   Posted: Wed Nov 14, 2012 10:19 am   Subject: Applied Reasoning Corp - ISA PC-Elevator 386 Co-pro Drivers?
Does anyone have drivers for this card?
Topic: PC-XT homemade?
IBM Portable PC

Replies: 15
Views: 14730

PostForum: IBM PC/XT & AT Webforum   Posted: Sun Sep 06, 2009 11:59 am   Subject: Re: PC-XT homemade?

I have build elector magazine solid state floppy and run my ms-dos from this one!

What edition of Elektor was this in?
Topic: Floppy to USB host adaptor or CF cards.
IBM Portable PC

Replies: 3
Views: 3663

PostForum: IBM PC/XT & AT Webforum   Posted: Sat Aug 29, 2009 11:25 am   Subject: Floppy to USB host adaptor or CF cards.
These are NOT usb floppy drives!

These devices connect to a standard Shugart 34 pin FDC and give you either floppies emulated on CF cards or on a USB flash drive i.e. they contain a USB host interf ...
Topic: Going Flash on an XT
IBM Portable PC

Replies: 98
Views: 42202

PostForum: IBM PC/XT & AT Webforum   Posted: Fri Aug 28, 2009 4:53 am   Subject: Going Flash on an XT
See http://www.ssd.gb.com/products/SCSI-BridgeEmulators-to-CF/SCSI-1,2-50pin-DiskDriveEmulator-to-CF/index.php
Topic: Floppy to USB host adaptor or CF cards.
IBM Portable PC

Replies: 3
Views: 3663

PostForum: IBM PC/XT & AT Webforum   Posted: Fri Aug 28, 2009 2:27 am   Subject: Floppy to USB host adaptor or CF cards.
Search for "floppy drive emulator" on Ebay.

Has anyone tried one of these with an XT or AT.

See also http://torlus.com/floppy/ and http://www.datastorage.fr/fr/DTX200en.html for additi ...
Topic: Going Flash on an XT
IBM Portable PC

Replies: 98
Views: 42202

PostForum: IBM PC/XT & AT Webforum   Posted: Fri Aug 28, 2009 2:00 am   Subject: PowerMonster
Do a search for "powermonster" on EbAy. It's a SCSI to CF adaptor in a 2.5" drive form-factor. Very nice and ideal for XT's etc.

I have another SCSI to IDE adaptor for Addonics howev ...
Topic: XT ISA VGA - Which card?
IBM Portable PC

Replies: 20
Views: 13626

PostForum: IBM PC/XT & AT Webforum   Posted: Thu Dec 25, 2008 11:37 am   Subject: Video 7 EGA/VGA 8bit ISA Card
I've just installed one of these cards and cannot seem to get past the POST video card error beeps and nothing is coming out of the VGA connector:

1. DIP switches on motherboard are correct.
2. I' ...
Topic: WANTED: Microsolutions Compaticard IV FDC
IBM Portable PC

Replies: 5
Views: 4904

PostForum: IBM PC/XT & AT Webforum   Posted: Thu Oct 23, 2008 11:06 pm   Subject: Success!
I have finally installed my Compaticard IV and it works extremely well. I can now boot from any floppy drive and of course it handles 1.44M disks without any issues (2.88M also).

The card was not ...
 

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